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Finding the Fourth Proportional to 162,780.40, 244,199.40 and 57,660.40

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Solution

The fourth proportional to 162,780.40, 244,199.40 and 57,660.40 is: 86,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,780.40 : 244,199.40 = 57,660.40 : x
  2. Step 2: Convert to fraction form
    162,780.40/244,199.40 = 57,660.40/x
  3. Step 3: Cross multiply
    162,780.40x = 244,199.40 × 57,660.40
  4. Step 4: Simplify right side
    162,780.40x = 14,080,635,083.76
  5. Step 5: Solve for x
    x = 14,080,635,083.76/162,780.40
  6. Step 6: Final answer
    x = 86,500.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.